area total= area lateral+2veses area de la base
area lateral = perimetro de la base * altura del cilindro
altura=g=6u
perimetro =2*pi*r r=y
perimetro =2*3,1416y =6,2832y
area lateral =6,2832y*6u=37,6992y
area base =pi*r^2 =3,1416y^2
area total =37,6992y+2(3,1416y^2)=37,6992y+6,2832y^2
